set_property    PACKAGE_PIN  AC22  [get_ports  a]
set_property    IOSTANDARD LVCMOS33  [get_ports  a]
set_property    PACKAGE_PIN  AD24  [get_ports  b]
set_property    IOSTANDARD LVCMOS33  [get_ports  b]
set_property    PACKAGE_PIN  AC21  [get_ports  c]
set_property    IOSTANDARD LVCMOS33  [get_ports  c]
set_property    PACKAGE_PIN  H7  [get_ports  y0]
set_property    IOSTANDARD LVCMOS33  [get_ports  y0]
set_property    PACKAGE_PIN  D5  [get_ports  y1]
set_property    IOSTANDARD LVCMOS33  [get_ports  y1]
set_property    PACKAGE_PIN  A3  [get_ports  y2]
set_property    IOSTANDARD LVCMOS33  [get_ports  y2]
set_property    PACKAGE_PIN  A5  [get_ports  y3]
set_property    IOSTANDARD LVCMOS33  [get_ports  y3]
set_property    PACKAGE_PIN  A4  [get_ports  y4]
set_property    IOSTANDARD LVCMOS33  [get_ports  y4]
set_property    PACKAGE_PIN  F7  [get_ports  y5]
set_property    IOSTANDARD LVCMOS33  [get_ports  y5]
set_property    PACKAGE_PIN  G8  [get_ports  y6]
set_property    IOSTANDARD LVCMOS33  [get_ports  y6]
set_property    PACKAGE_PIN  H8  [get_ports  y7]
set_property    IOSTANDARD LVCMOS33  [get_ports  y7]